Mobile chair



FIG. 1 is a top, front and right side perspective view of a mobile chair showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top, and front perspective view of the support frame of the mobile chair;

FIG. 4 is a top, front and right side perspective view of the seat of the mobile chair; and,

FIG. 5 is a bottom and left side perspective view of the seat of the mobile chair. 

The ornamental design for a mobile chair, as shown and described. 